Erie police are investigating an armed robbery tonight.
It was just after seven-thirty this evening when police were called to the gnc store in the Liberty Plaza.
According to the officer in charge, the suspect had a pistol, came up behind an employee, took that employee to the register and took an undisclosed amount of money.
The clerk was not injured.
The suspect is described as a black manin his mid 20's wearing a black zip-up hooded sweatshirt and green pants.
He was carrying a backpack reported to be blue with green drawstrings.
He was last seen running north on Liberty Street.
Copyright 2016 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.